CN102455574A - Projection display device - Google Patents
Projection display device Download PDFInfo
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- CN102455574A CN102455574A CN201110322829XA CN201110322829A CN102455574A CN 102455574 A CN102455574 A CN 102455574A CN 201110322829X A CN201110322829X A CN 201110322829XA CN 201110322829 A CN201110322829 A CN 201110322829A CN 102455574 A CN102455574 A CN 102455574A
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- China
- Prior art keywords
- cover
- abutting part
- lamp
- body shell
- support
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/145—Housing details, e.g. position adjustments thereof
Abstract
A projection display device includes an opening formed in a main body cabinet; a part to be attached in the main body cabinet through the opening; a cover which covers the opening; a detector which detects closure of the cover; and a first contact part and a second contact part which contact each other when the cover is being closed, thereby to prevent the cover from being closed up to a position where the closure is detected by the detector. When the part to be attached is not attached, the first contact part is positioned on a line contacting the second contact part at closure of the cover and is capable of evacuating to a position out of the line. The projection display device further includes an evacuation part to evacuate the first contact part to the position out of the line when the part to be attached is attached.
Description
Technical field
The present invention relates to will be from the light of light source through the optical modulation element modulation and to by the projection type image display apparatus of projection surface projection.
Background technology
In the past, in projection type image display apparatus such as liquid crystal projection apparatus (below, be called " projector "), will be through projection lens by the light after the modulation of optical modulation elements such as liquid crystal panel to being throwed by projection surface.Light source, optical modulation element possibly produce the timeliness deterioration.If light source, optical modulation element can't carry out appropriate action owing to deterioration, then need light source, optical modulation element be replaced by new parts.
In addition, in such projector, in light source, optical modulation element etc., produce heating.Therefore, the cooling device that configuration is cooled off above-mentioned heat generating part through the air that is taken into from the outside in projector.Dispose the filtrator that is used for removing dust that extraneous gas contains etc. at the upstream side of cooling device.Under the situation that filtrator generation eyelet stops up, need cleaning or change filtrator.
Materials installed such as light source, optical modulation element, filtrator can be contained in the body shell through the opening that on body shell, is provided with.In this case, opening can open and close (for example, with reference to patent documentation 1) through cover.
Under the situation of the structure that forms above-mentioned that kind, need and cover in material installed is installed to body shell under the complete closing state and turn round.Therefore, detector switches such as microswitch can be set, detect material installed and whether be installed in the body shell and whether cover closes fully.In this case, usually in order two detector switches to be set with covering corresponding respectively with material installed.
Need to prove, in the cover open-close detection apparatus, adopt the structure that detects the switching of two covers through a detector switch.For example, be provided for switching the switching member that opens and closes detector switch, and first actuating member that when this cover is closed, makes the switching member displacement is being set on a side the cover.When only making the switching member displacement, open and close detector switch and do not switch through first actuating member.The opposing party's cover is provided with second actuating member of the pressing force increase that when this cover is closed, makes first actuating member.When both sides' cover is closed, increase the pressing force of first actuating member through second actuating member, thereby make switching member displacement significantly, make the switching detector switch switch (for example, with reference to patent documentation 2).
Patent documentation 1: TOHKEMY 2004-252473 communique
Patent documentation 2: japanese kokai publication hei 08-171836 communique
As stated, under the situation that two detector switches are set, cause bigger cost to rise.Therefore, preferably as above-mentioned cover open-close detection apparatus, form the structure of only using a detector switch.
Summary of the invention
The present invention is in view of such problem and proposing, and its purpose is to provide a kind of projection type image display apparatus that can detect the sealing of the cover that installation and the opening that material installed come in and gone out of material installed in body shell cover through a detecting device.
Projection type image display apparatus of the present invention possesses: opening, and it is formed on the body shell; Material installed, it is installed in the said body shell through said opening; Cover, it covers said opening; Detecting device, its sealing to said cover detects; First abutting part and second abutting part, they are mutual butt when closing said cover, stops said cover to be closed to the position that is detected said sealing by said detecting device.Here, in said material installed is not installed on said body shell and when closing said cover, said first abutting part is positioned on the line with the said second abutting part butt, and can keep out of the way to the position of leaving said line.And said projection type image display apparatus also possesses the portion of keeping out of the way, and in the time of in said material installed is installed to said body shell, this portion of keeping out of the way makes said first abutting part keep out of the way to the position of leaving said line.
According to projection type image display apparatus of the present invention, close cover after in material installed is installed to body shell, thereby detect the sealing of cover through test section.Therefore, can detect the installation of material installed and the sealing of cover through a detecting device.
In projection type image display apparatus of the present invention, said first abutting part can be arranged on the said body shell, and said second abutting part can be arranged on the said cover.In this case, said first abutting part can be by the support part supports that can make said first abutting part to the direction displacement of leaving said line.And the said portion of keeping out of the way can comprise the press section, and said support is pushed in this press section when said material installed is installed to said body shell, and said first abutting part is kept out of the way to the position of leaving said line.
If form such structure, then when material installed is installed, push support in body shell through the press section, first abutting part moves with support thus, thereby first abutting part is kept out of the way out from the mobile route of second abutting part.Therefore, second abutting part not can with the first abutting part butt, cover is fully closed.
In addition, under the situation that forms such structure, said support can form the beam shape, and an end of said support can be fixed on said body shell side.In this case, when the other end of said support was pushed by said press section, said support was a fulcrum and deflection makes said first abutting part leave said line with a said end.
If form such structure, then do not use other member such as spring just can make flexibly displacement of support, and can make designs simplification.
In projection type image display apparatus of the present invention, said cover can form can be along a side slip of the said body shell that is formed with said opening.In this case, can form the slot part that extends along the direction of said cover slip in said side.In addition, said second abutting part can comprise guide portion, and this guide portion is inserted in the said slot part, and when said cover slided, this guide portion was directed in said slot part.At this moment, said first abutting part to said slot part outstanding and with said guide portion butt.
If form such structure, the guide portion of the guiding of cover that then can be when being used to slide is as the second abutting part utilization, thereby can make designs simplification.
In projection type image display apparatus of the present invention, said first abutting part can be arranged on the said cover, and said second abutting part can be arranged on the said body shell.In this case, said first abutting part can be by the support part supports that can make said first abutting part to the direction displacement of leaving said line.And the said portion of keeping out of the way can comprise guide surface, and this guide surface makes the sealing of following said cover and keeps out of the way to the position of leaving said line towards said first abutting part of said second abutting part.
If form such structure; When then closing cover under the state in material installed is installed to body shell; First abutting part with the second abutting part butt before, under the effect of guide surface, leave line, and the next door through second abutting part to the second abutting part butt.Thus, first abutting part not can with the second abutting part butt, cover is fully closed.
In addition, under the situation that forms such structure, said support can form the beam shape, and an end of said support can be fixed on said cover side.In this case, said first abutting part is along said guide surface, and said thus support is a fulcrum and deflection makes said first abutting part leave said line with a said end.
If form such structure, then do not use other member such as spring just can make flexibly displacement of support, and can make designs simplification.
The invention effect
As above,, a kind of projection type image display apparatus that detects the sealing of installation and the cover that opening that material installed come in and go out covered of material installed in body shell through a detecting device can be provided according to the present invention.
Effect of the present invention and even meaning become clearer through the explanation of the embodiment shown in following.But following embodiment is an illustration during embodiment of the present invention only, and the present invention is not limited by the content of putting down in writing in the following embodiment at all.
Description of drawings
Fig. 1 is the figure (stereographic map) of the surface structure of the projector that relates to of expression embodiment.
Fig. 2 is the figure (upward view) of the surface structure of the projector that relates to of expression embodiment.
Fig. 3 is the figure of the inner structure of the projector that relates to of expression embodiment.
Fig. 4 is the figure that schematically shows the structure of the projection optics unit that embodiment relates to.
Fig. 5 is the figure of the structure of the expression lamp unit that relates to of embodiment and fan unit.
Fig. 6 is the figure of the structure of the filter unit that relates to of expression embodiment.
Fig. 7 is the figure of the lamp of installing to the cover installation portion that relates to of expression embodiment with the mounting structure of cover.
Fig. 8 is the figure of the lamp of installing to the cover installation portion that relates to of expression embodiment with the mounting structure of cover.
Fig. 9 is the figure of the lamp that relates to of expression embodiment with the structure of cover.
Figure 10 is that the filter unit that relates to of expression embodiment is not contained in the filtrator resettlement section and situation when closing lamp with cover and filter unit are contained in the figure of the situation when closing lamp with cover behind the filtrator resettlement section.
Figure 11 is the figure of the structure of the routine filter unit that relates to of expression change.
Figure 12 representes to change the figure that the routine lamp to the installation of cover installation portion that relates to is used the mounting structure that covers.
Figure 13 is the figure of the routine lamp that relates to of expression change with the structure of cover.
Figure 14 is that filter unit that expression change example relates to is not contained in the filtrator resettlement section and situation when closing lamp with cover and filter unit are contained in the figure of the situation when closing lamp with cover behind the filtrator resettlement section.
Symbol description:
1 body shell
103 filtrators are with opening (opening)
104 guiding grooves (slot part)
107 detector switches (detecting device)
110 cover stoppers
111 juts (first abutting part)
112 supports
120 juts (second abutting part)
5 lamps are with cover (cover)
506 fasteners (second abutting part, guide portion)
520 butt bars
520a abutting part (first abutting part)
The 520b support
700 filter units (material installed)
716 pressing tablets (press section, keep out of the way portion)
717 guide plates
717a guide surface (keeping out of the way portion)
Embodiment
Below, with reference to accompanying drawing, the projector that embodiment of the present invention is related to describes.
Fig. 1 and Fig. 2 are the figure of the surface structure of expression projector.Fig. 1 (a) is the stereographic map of expression observed projector from the place ahead, and Fig. 1 (b) is the stereographic map of expression observed projector from the rear.In addition, Fig. 2 is the vertical view of projector.Need to prove that the arrow of representing direction all around or the arrow of expression above-below direction are depicted in explanation for ease respectively in Fig. 1 (a) and (b) and Fig. 2.Below, in other accompanying drawing, also depict the arrow of representing direction equally as required.
The projector of this embodiment is the projector of so-called short focal length porjection type.With reference to Fig. 1, projector possesses and has the roughly body shell 1 of rectangular shape.Body shell 1 is made up of lower house 2 and the upper shell 3 that covers on the lower house 2 from the top.
Upper surface in body shell 1 is formed with first dip plane 1a that descends towards the rear and the second dip plane 1b that on the rear, rises continuously with this first dip plane 1a.The second dip plane 1b is formed with projection mouth 4 towards tiltedly going up the place ahead on the 1b of this second dip plane.Amplify projection from projection mouthful 4 the screens of image light to the place ahead that is configured in projector to oblique upward the place ahead ejaculation.
In addition, the upper surface in body shell 1 is provided with lamp with cover 5.Be formed with the lamp that is used to change the lamp unit with opening and the filtrator opening that is used to change filtrator at the upper surface of body shell 1, wherein this filter deployment is in the fan unit that the lamp unit is cooled off.Lamp is to be used to cover above-mentioned lamp with opening and the filtrator cover with opening with cover 5.And, be provided with the operating portion 6 that constitutes by a plurality of operating keys at the upper surface of body shell 1.
Right flank in body shell 1 is formed with terminal openings 7.On terminal openings 7, dispose terminal panel 233 with various terminals such as AV terminals.The part of the control circuit unit of stating after terminal panel 233 constitutes.Input or output AV (Audio Visual) signals such as signal of video signal or voice signal to projector through AV terminal.In addition, the terminal oral area 7 in the right flank of body shell 1 above be provided with air entry 8.Air entry 8 is made up of the hole of a plurality of slit-shaped, through air entry 8 extraneous gas is taken in the body shell 1.
Left surface in body shell 1 is provided with first exhausr port 9 and second exhausr port 10.Above-mentioned exhausr port 9,10 holes by a plurality of slit-shaped constitute, and through above-mentioned exhausr port 9,10 body shell 1 inner air are discharged outside equipment.In addition, be formed with outlet sound mouth 11 on the back surface of body shell 1.When projection, export the sound corresponding with image from outlet sound mouth 11.
With reference to Fig. 2, on the bottom surface of body shell 1, forwardly central portion is provided with Convenient table 12, is provided with two adjustment legs 13 in rearward end.Through making two adjustment legs 13 flexible up and down, can adjust the inclination of the fore-and-aft direction and the left and right directions of body shell 1.Thus, can adjust the image that projects on the screen position up and down and about inclination.
In the projector of this embodiment, be provided with the fixedly installing on the face except adopting bottom surface with body shell 1 to be arranged on desk or floor etc., also can adopt body shell 1 is turned upside down and is arranged at the suspension setting of ceiling.In addition, at the front surface of body shell 1 terminal panel 233 or air entry 8 are not set, front surface is smooth face.Therefore, in the projector of this embodiment, can adopt front surface to be arranged on the form that is provided with on the face of setting with body shell 1.In this case, to face self projects images is set.
Fig. 3 is the figure of the inner structure of expression projector.This figure is the observed stereographic map that takes off the state behind the upper shell 3 from the place ahead.Need to prove that for ease, with dashed lines is depicted light-modulating cell 15 and projection optics unit 17 in Fig. 3.In addition, the position of air entry 8 is represented with the single-point line.
With reference to Fig. 3, dispose lamp unit 14 in the front portion of lower house 2, generate the light-modulating cell 15 of image light to modulating from the light of lamp unit 14.
Light-modulating cell 15 comprises colour wheel and DMD (digital micro-mirror unit).Colour wheel will separate into each coloured light such as red, green, blue with the mode of timesharing from the white light of illuminator.DMD modulates each coloured light that penetrates from colour wheel based on signal of video signal.
Need to prove that light-modulating cell 15 also can constitute and comprise: the leaded light optical system that will separate into each coloured light of red, green, blue from the white light of illuminator; Three liquid crystal panels that each coloured light after separating is modulated respectively; To the dichroic prism that synthesizes by each light after the liquid crystal panel separation.In this case, three liquid crystal panels and dichroic prism is integrated and form prism unit.
Dispose projection optics unit 17 at the rear of light-modulating cell 15.The image light amplification that projection optics unit 17 will be generated by light-modulating cell 15 is also throwed by projection surface to screen etc.
Fig. 4 is the figure that schematically shows the structure of projection optics unit 17.Need to prove that in the figure, except projection optics unit 17, also schematic representation goes out light-modulating cell 15, control circuit unit 23 and noise filter unit 24.
Projection optics unit 17 is made up of projection lens unit 171, catoptron 172, the shell 173 of accommodating above-mentioned projection lens unit 171 and catoptron 172.Projection lens unit 171 has a plurality of lens 171a.Catoptron 172 is curved mirror or free form surface mirror.
As shown in Figure 4, the image light that penetrates from light-modulating cell 15 from the optical axis L of projection lens unit 171 to the position of the upper surface direction skew of body shell 1 to 171 incidents of projection lens unit.Image light after the incident receives the lensing of projection lens unit 171, to catoptron 172 incidents.Afterwards, image light mirror 172 wide-angleizations that are reflected, and via light through window 174 to being throwed by projection surface (screen cover).
As stated; Since image light from the optical axis L of projection lens unit 171 to the position of the upper surface direction skew of body shell 1 to 171 incidents of projection lens unit, so catoptron 172 disposes to the mode of the bottom surface side skew of body shell 1 with the optical axis L from projection lens unit 171.At this, because catoptron 172 has the big reflecting surface of lens face than each lens that constitutes projection lens unit 171, so catoptron 172 is bigger with respect to the side-play amount of the optical axis L of projection lens unit 171.Therefore, below the projection lens unit 171 and and the bottom surface of body shell 1 (lower house 2) between produce bigger space G.This space G produces the allocation position of light-modulating cell 15 from the allocation position of projection lens unit 171.
Return Fig. 3, dispose power supply unit 18 at the rear of fan unit 16.Power supply unit 18 possesses power circuit, carries out the supply of power supply to each parts of electric of projector.Dispose loudspeaker 19 at the rear of power supply unit 18.Emit to the outside through outlet sound mouth 11 from the sound of loudspeaker 19 output.
At the right-hand DMD that disposes of light-modulating cell 15 with cooling fan 20.DMD will supply with to light-modulating cell 15 from the extraneous gas that air entry 8 is taken into cooling fan 20, cool off DMD.Need to prove that with the air-tight state configuration, DMD does not directly contact with the extraneous gas that transports DMD in light-modulating cell 15.
Left in lamp unit 14 is provided with lamp with extraction fan 21.Lamp is taken into the cooled cooling air of illuminator with extraction fan 21, and it is discharged to the outside through first exhausr port 9.
Left at power supply unit 18 is provided with power supply with extraction fan 22.Power supply with extraction fan 22 be taken into intensification in the power supply unit 18 air, and it is discharged to the outside through second exhausr port 10.Through air is flowed with extraction fan 22 to power supply in power supply unit 18, thereby new extraneous gas is taken into and supply in power supply unit 18 from air entry 8.
In addition, like Fig. 3 and shown in Figure 4, in the projector of this embodiment, dispose control circuit unit 23 and noise filter unit 24 among the above-mentioned space G that below projection lens unit 171 and light-modulating cell 15, produces.
Noise filter unit 24 possesses the circuit substrate that disposes noise filter, fuse, and its commercial ac power source from input removes denoising and supplies with to power supply unit 18.
On control circuit substrate 231, dispose and be used for control circuit that various driver parts such as illuminator, DMD are controlled.In addition, on control circuit substrate 231, dispose various terminals 235.
On terminal panel 233, be formed with the opening with the form fit of various terminals 235, various terminals 235 are through above-mentioned opening and towards the outside.Need to prove, though not shown, on fixed head 234, also be formed with the opening that supplies various terminals 235 to pass through.
Fixed head 234 is formed by metal material, is formed with shielding part 236 at an upper portion thereof.On this shielding part 236, be formed with a plurality of opening 236a, wire netting (not shown) be installed at each opening 236a.Shielding part 236 is configured in the inboard of air entry 8, to shielding from the electromagnetic wave of air entry 8 to external leaks.The extraneous gas that is taken into from air entry 8 flows into to body shell 1 inside through opening 236a.
Then, with reference to Fig. 5 to Fig. 6, the structure of lamp unit 14 and fan unit 16 is described at length.
Fig. 5 is the figure of the structure of indication lamp unit 14 and fan unit 16.Fig. 5 (a) is the stereographic map of observed lamp unit 14 and fan unit 16 from the place ahead, and Fig. 5 (b) is the A-A ' cut-open view of Fig. 5 (a).Need to prove, in Fig. 5, for ease, the filtrator that constitutes filter unit 700 720 is omitted diagram.
With reference to Fig. 5, lamp unit 14 by illuminator 300, be used to keep the lamp support 400 of illuminator 300 to constitute.
Shown in Fig. 5 (b), illuminator 300 possesses luminotron 301 and reverberator 302.Luminotron 301 uses metal halide lamp.In addition, also can use lamps such as extra-high-pressure mercury vapour lamp, xenon lamp.The inside surface of reverberator 302 has parabolic shape, and the white light that will send from luminotron 301 is through the inside surface reflection and make it towards the place ahead.
Front surface at lamp support 400 is formed with the exit window 401 of confession from the light ejaculation of illuminator 300.In exit window 401, embed stable on heating concavees lens 402 are arranged.The back surface opening of lamp support 400, illuminator 300 is installed in this peristome from the rear.
Top and bottom at lamp support 400 are respectively arranged with upper channel 403 and lower passage 404.In addition, shown in Fig. 5 (b), top blow-off outlet 405 that links to each other with upper channel 403 and the inside of the bottom blow-off outlet 406 that links to each other with lower passage 404 towards reverberator 302.And, be formed with escape hole 407 in the left and right sides of the central portion of lamp support 400.Need to prove the escape hole 407 in the left side in the escape hole 407 about only illustrating through Fig. 5 (b).
Need to prove, the inside of the inside of upper channel 403, lower passage 404 and about escape hole 407 dispose not shown wire section respectively.If during luminotron 301 breakages, can avoid its fragment to fly out to the outside through above-mentioned wire section.
Lamp uses cooling fan 501,502 for example to be centrifugal fan.Fan drum 600 is made up of fan resettlement section 601 and the filtrator resettlement section 602 that is arranged on the place ahead of fan resettlement section 601.Lamp is housed in the fan resettlement section 601 with the state of cooling fan 501,502 with two-layer accumulation up and down.In filtrator resettlement section 602, accommodate filter unit 700.
Be formed with first passage 611 on the top of fan resettlement section 601.The introducing port of first passage 611 is connected with the ejiction opening of lamp with cooling fan 501.The export mouth of first passage 611 links to each other with the upper channel 403 of lamp support 400.In addition, the central portion in fan resettlement section 601 is formed with second channel (not shown).The introducing port of second channel is connected with the ejiction opening of lamp with cooling fan 502.The export mouth of second channel links to each other with the lower passage 404 of lamp support 400.
Fig. 6 is the figure of the structure of expression filter unit 700.Fig. 6 (a) is the stereographic map of filter unit 700 that the state of filtrator 720 has been installed.Fig. 6 (b) is the stereographic map of the filter unit 700 before the mounting filtering device 720.
With reference to Fig. 6, filter unit 700 is made up of filter mounting 710 and the filtrator 720 that is installed on filter mounting 710.
Filter mounting 710 possess accommodate filtrator 720 accommodate recess 711.Be formed with blow vent 712 in the bottom surface of accommodating recess 711.Be formed with grid 713 at blow vent 712.
Be formed with handle 714 in the upper end of filter mounting 710.Be formed with the cover portion 715 of general triangular shape at the rear of handle 714.Top in the left part of filter mounting 710 is formed with pressing tablet 716.
Return Fig. 5, be formed with the air entry 621 that constitutes by a plurality of openings in the side that becomes suction side with respect to filter unit 700 of filtrator resettlement section 602.In addition, be formed with notch 622, thereby behind mounting filtering device unit 700, avoid the pressing tablet of giving prominence to from filter unit 700 716 in said filtrator resettlement section 602.
When projector turns round, drive lamp with cooling fan 501,502.And, drive DMD with cooling fan 20, lamp with extraction fan 21 and power supply with extraction fan 22.Thus, through air entry 8 extraneous gas is taken in the body shell 1.
The extraneous gas that is taken in the body shell 1 flows into to filtrator resettlement section 602 through air entry 621 as cooling air.The cooling air that flow in the filtrator resettlement section 602 passes through filtrator 720.At this moment, dust that contains in the cooling air or dust can't pass through filtrator 720, and are attached to filtrator 720.Be filtered device 720 and removed the cooling air of dust etc. and flow into, and be taken into cooling fan 501,502 by lamp to fan resettlement section 601.
Need to prove, as stated, become upper opening quilt cover portion 715 coverings (with reference to Fig. 5 (a)) of the filtrator resettlement section 602 of exhaust side with respect to filter unit 700 through the installation of filter unit 700.Thus, can prevent can the cooling illuminated windsock unit 14 of cleaning be supplied with from be taken into the situation of cooling air in addition to fan receptacle 601 through the stream of filter unit 700.
The cooling air that blows out with cooling fan 501,502 from lamp flows into to the upper channel 403 and the lower passage 404 of lamp support 400 through first passage 611 and second channel respectively.
Flowing in Fig. 5 (b) with the cooling air in the arrow indication lamp unit 14.The cooling air that flow in the upper channel 403 flows in passage and arrival top blow-off outlet 405, and by blow-off outlet 405 blows out to the inboard of the reverberator 302 of illuminator 300 from top.In addition, the cooling air that flow into lower passage 404 flows in passage and arrival bottom blow-off outlet 406, and by blow-off outlet 406 blows out to the inboard of reverberator 302 from the bottom.Cooling air through flowing into the reverberator 302 from above-mentioned both sides up and down cools off the inboard of reverberator 302.Afterwards, the cooling air in the reverberator 302 is discharged to the outside of lamp unit 14 from escape hole 407.
Fig. 7 and Fig. 8 are the mounting structure of cover 5 is used in figure from expression to the lamp of cover installation portion 101 installations.Fig. 7 (a) is the stereographic map that is illustrated in the major part of the projector of accommodating the state before the filter unit 700 in the filtrator resettlement section 602.Fig. 7 (b) is illustrated in to contain filter unit 700 and lamp are closed to the projector of state midway with cover 5 the stereographic map of major part in the filtrator resettlement section 602.Fig. 8 (a) is the B-B ' cut-open view of Fig. 7 (a), and Fig. 8 (b) is the C-C ' cut-open view of Fig. 7 (b).Fig. 8 (c) is the stereographic map of cover stopper 110.
In addition, Fig. 9 is the figure of indication lamp with the structure of cover 5.Fig. 9 (a) is from the stereographic map of the observed lamp of table side with cover 5.Fig. 9 (b) is the stereographic map that observed lamp is used cover 5 from the inboard.
With reference to Fig. 7 and Fig. 8, in upper shell 3, from the central portion to the left surface, be formed with the cover installation portion 101 of lamp with cover 5 is installed.Cover installation portion 101 is than the surperficial slight concave of upper shell 3.Therefore, when lamp is installed on cover installation portion 101 with cover 5, when lamp is closed with cover 5 fully, lamp roughly becomes same plane with the surface of cover 5 and the surface of upper shell 3.
Be formed with lamp with opening 102 at cover installation portion 101.Lamp with opening 102 be positioned at lamp unit 14 directly over, and have the size that can come in and go out in lamp unit 14.Lamp unit 14 is housed in the body shell 1 with opening 102 through lamp.And lamp unit 14 takes out in body shell 1 with opening 102 through lamp.
In addition, be formed with filtrator with opening 103 at cover installation portion 101.Filtrator with opening 103 be positioned at filtrator resettlement section 602 directly over, have the roughly the same size of opening with the upper surface of filtrator resettlement section 602.Filter unit 700 is housed in the filtrator resettlement section 602 with opening 103 through filtrator.And filter unit 700 passes through filtrator with opening 103 602 interior taking-ups from the filtrator resettlement section.
Hinder marginal part and exterior region at cover installation portion 101 are formed with the guiding groove 104,105 that extends along left and right directions respectively.Shown in Fig. 8 (a), guiding groove 104 has wall at the rear portion, but bottom and open front.In addition, guiding groove 105 forwardly has wall with the bottom, and the rear portion opening.And, the guiding groove 104,105 of cover in the installation portion 101 be formed with respectively be used to make lamp with the axial region 504,505 of cover 5 from above the insertion opening 104a, the 105a that pass through.
In addition, the lamp in cover installation portion 101 is formed with the long groove 106 of left and right directions with the left side of opening 102.Be provided with at the rear of groove 106 and be used to detect the detector switch 107 of lamp with the situation of cover 5 complete closed.The actuator portion of detector switch 107 exposes in the right part of groove 106.Detector switch 107 for example uses microswitch.
When lamp with cover 5 complete closed and when the operation rib 508 (with reference to Fig. 9) that lamp is provided with cover 5 the back side contacts with actuator portion, detector switch 107 connections.Thus, detect lamp with cover 5 complete closed.
Left part at cover installation portion 101 is provided with installation portion 108.Nut 109 is laterally imbedded in the installation portion 108.
As shown in Figure 8, in the inside of upper shell 3, be provided with cover stopper 110 below with the rear of opening 103 and guiding groove 104 at filtrator.
Need to prove that cover stopper 110 can be different with upper shell 3 and formed by resin material or metal material separately, and be fixed in upper shell 3 through screw etc.
As shown in Figure 9, lamp is made up of top panel 501 and side panel 502 with cover 5.The form fit of the shape of top panel 501 and upper shell 3, the rear portion tilts.
The back side of plate 501 is formed with the guiding rib 502,503 that extends along left and right directions respectively in rearward end and leading section in the above.Guiding rib 502 be formed with forwards outstanding axial region 504 than the side place that slightly keeps left, its right part, be formed with to right-hand outstanding fastener 506 in the right part of guiding rib 502.Equally, guiding rib 503 be formed with rearward outstanding axial region 505 than the side place that slightly keeps left, its right part, be formed with to right-hand outstanding fastener 507 in the right part of guiding rib 503.Fastener 506,507 is limited to stop hole 104b, the 105b that on cover installation portion 101, forms when lamp is closed with cover 5 fully.
The back side of plate 501 also is formed with the operation rib 508 in the groove 106 that is contained in cover installation portion 101 in the above.As stated, when lamp is closed with cover 5 fully, detector switch 107 is connected through operation rib 508.
On side panel 502, be formed with mounting hole 509.When lamp was closed with cover 5 fully, mounting hole 509 was neatly involutory with the threaded hole of nut 109.Like this, be threadedly secured in nut 109, thereby lamp is fixed on the upper shell 3 with cover 5.
Like this, lamp being used cover 5 when cover installation portion 101 is installed, guiding rib 502,503, axial region 504,505 and fastener 506,507 are inserted in the guiding groove 104,105 from the top.At this moment, shown in Fig. 8 (b), the leading section of axial region 504 is through in the opening 104c of front portion that inserts opening 104a and be inserted into guiding groove 104.Equally, the leading section of axial region 505 is through in the opening 105c at rear portion that inserts opening 105a and be inserted into guiding groove 105.
Afterwards, lamp is slided to the right with cover 5.Guiding rib 502,503, axial region 504,505 and fastener 506,507 are directed groove 104,105 guiding and move to the right.At this moment, engage with opening 104c, 105c, limit lamp with cover 5 motions to the top through axial region 504,505.
Figure 10 (a) and (b) are that expression filter unit 700 is not contained in filtrator resettlement section 602 and closes the figure of lamp with 5 o'clock situation of cover.In addition, Figure 10 (c), (d) close the figure of lamp with 5 o'clock situation of cover after expression filter unit 700 is accommodated filtrator resettlement section 602.Figure 10 (a), (c) be the expression filtrator with the cut-open view of the periphery of opening 103, Figure 10 (b), (d) are the stereographic maps of the major part of the expression periphery that covers installation portion 101.Need to prove, in Figure 10 (a), for ease, dot in fact to be positioned at and lean on the lamp at the place, front of paper to use cover 5 than the position in cross section.
When filter unit 700 was not installed on filtrator resettlement section 602, the jut 111 of cover stopper 110 was outstanding in guiding groove 104.That is, jut 111 is positioned at on the line of guiding rib 502, axial region 504 and fastener 506 butts that guiding groove 104 is directed.
Therefore, the user closes filter unit 700 not being installed in the filtrator resettlement section 602 under the situation of lamp with cover 5, shown in Figure 10 (a), close lamp with the way of cover 5 in fastener 506 and jut 111 butts.Thus, shown in Figure 10 (b), lamp is not fully closed with cover 5, therefore can't detect the sealing of lamp with cover 5 through detector switch 107.Therefore, under this state, even the user carries out running operation, also not entry into service of projector.
On the other hand, in the time of in filter unit 700 is installed to filtrator resettlement section 602, shown in Figure 10 (c), pressing tablet 716 will be positioned at the leading section of the support 112 of notch 622 and push downwards.Thus, support 112 deflection downwards, thus jut 111 is extracted in guiding groove 104.That is, jut 111 is from keeping out of the way with the line of the guiding rib that in guiding groove 104, is directed 502, axial region 504 and fastener 506 butts.
Therefore, after the user is installed to filter unit 700 in the filtrator resettlement section 602, close lamp with under cover 5 the situation, fastener 506 not with jut 111 butts.Therefore, shown in Figure 10 (d), lamp is closed with cover 5 fully, detects the sealing of lamp with cover 5 through detector switch 107.Therefore, under this state, when the user carries out running operation, the projector entry into service.
Shown in above, in this embodiment, under the state in filter unit 700 is accommodated filtrator resettlement section 602, can detect the situation that lamp is closed with cover 5.Therefore, can prevent entry into service under the state of mounting filtering device unit 700 not and lamp unit 14 is exposed to the situation of dust etc.In addition, can prevent lamp do not close with cover 5 and user's hand etc. through lamp with open 102 or filtrator stretch into the situation of entry into service under the state in the body shell 1 with opening 103.
And, in this embodiment, use cover 5 through closing lamp under the state of accommodating filtrator resettlement section 602 at filter unit 700, thereby detect the sealing of lamp with cover 5 through detector switch 107.Therefore, can detect the installation of filter unit 700 and the sealing that lamp is used cover 5 through a detector switch 107.
And in this embodiment, cover stopper 110 makes teat 111 from guiding groove 104 interior structures of coming in and going out for the deflection that utilization forms the support 112 of beam shape.In addition, the leading section of support 112 be positioned at filtrator resettlement section 602 near, push support 112 through the pressing tablet 716 that on filter unit 700, is provided with, thereby make support 112 deflections.And, utilize the fastener 507 that is directed groove 104 guiding as being arranged on the abutting part of lamp with cover 5 sides.Therefore, can realize detecting the installation of filter unit 700 and the structure that lamp is used the sealing of cover 5 with simple structure through a detector switch 107.
< change example >
Below, with reference to Figure 11 to Figure 14, describe changing the projector that example relates to.Need to prove, for the structure identical with above-mentioned embodiment, the identical symbol of mark in these figure, and omit explanation.
Figure 11 is the figure of the structure of the routine filter unit 700 that relates to of expression change.Figure 11 (a) is the stereographic map of filter unit 700 that the state of filtrator 720 has been installed.Figure 11 (b) is the stereographic map of the filter unit 700 before the mounting filtering device 720.
On the filter unit 700 of this change example, replace pressing tablet 716 and guide plate 717 is set in the right part of upper surface.Front end at guide plate 717 is formed with guide surface 717a.Shown in Figure 11 (a), guide surface 717a tilts with respect to the glide direction of lamp with cover 5.Need to prove, in this change example,, therefore in filtrator resettlement section 602, do not form notch 622 owing on filter unit 700, do not form pressing tablet 716.
Figure 12 is the figure of the lamp of installing to cover installation portion 101 that relates to of expression change example with the mounting structure of cover 5.Figure 12 (a) is the stereographic map that is illustrated in the major part of the projector of accommodating the state before the filter unit 700 in the filtrator resettlement section 602.Figure 12 (b) is illustrated in to contain filter unit 700 and lamp are closed to the projector of state midway with cover 5 the stereographic map of major part in the filtrator resettlement section 602.In addition, Figure 13 is the figure of indication lamp with the structure of cover 5.Figure 13 (a) is the stereographic map that observed lamp is used cover 5 from the inboard.Figure 13 (b) is the D-D ' cut-open view of Figure 13 (a).
Shown in Figure 12 (a), on the upper shell 3 of this change example, replace cover stopper 110 and at the hinder marginal part formation jut 120 of filtrator with opening 103.Shown in Figure 12 (b), when filter unit 700 was contained in filtrator resettlement section 602, the guide surface 717a of guide plate 717 was configured in the left of jut 120, the place ahead of the jut 120 on the direction that to be lamp close with cover 5.
Shown in figure 13, use the back side of cover 5 to be formed with butt bar 520 at the lamp of this change example.Butt bar 520 forms the beam shape, and base end part links through linking part 521 and top panel 501.The leading section of butt bar 520 becomes the abutting part 520a with jut 120 butts, and the position from the pars intermedia to the base end part becomes the support 520b of supporting abutting part 520a.Thin on butt bar 520 fore-and-aft directions, and support 520b (towards the direction of guiding rib 502) deflection rearward.Lamp is formed by resin material with cover 5, and butt bar 520 is integrally formed with covering 5 with lamp.Abutting part 520a and jut 120 butts when lamp is closed with cover 5 are arranged in the position of butt bar 520.
Need to prove that butt bar 520 also can be different and is formed by resin material or metal material separately with cover 5 with lamp, and be fixed in lamp with cover 5 through screw etc.In addition, the abutting part 520a of butt bar 520 forms the shape identical with support 520b, but also can form the size bigger than support 520b.
Figure 14 (a) and (b) are that the filter unit 700 that expression change example relates to is not contained in filtrator resettlement section 602 and closes the figure of lamp with 5 o'clock situation of cover.In addition, Figure 14 (c), (d) close the figure of lamp with 5 o'clock situation of cover after the routine filter unit 700 that relates to of expression change is accommodated filtrator resettlement section 602.Figure 14 (a) schematically shows filter unit 700 not to be contained in filtrator resettlement section 602 and to close the vertical view of lamp with the major part of the state of 5 o'clock butt bar 520 of cover.Figure 14 (c) schematically shows to close the vertical view of lamp with the major part of the state of 5 o'clock butt bar 520 of cover after filter unit 700 is accommodated filtrator resettlement section 602.Figure 14 (b), (d) are the stereographic maps of major part of the periphery of expression cover installation portion 101.
On the other hand, when the user was installed to filter unit 700 in the filtrator resettlement section 602, the guide surface 717a of guide plate 717 was configured in the place ahead of jut 120.Under this state, shown in Figure 14 (c), when lamp with cover 5 when closing, the abutting part 520a of butt bar 520 with jut 120 butts before with guide surface 717a butt.Support 520b is to the reverse direction deflection of filtrator with opening 103, and abutting part 520a leaves from the line with jut 120 butts along guide surface 717a, thereby passes through the next door of jut 120.Thus, shown in Figure 14 (d), lamp is fully closed with cover 5, detects the sealing of lamp with cover 5 through detector switch 107.Therefore, under this state, when the user carries out running operation, the projector entry into service.
Shown in above, also same in this change example with above-mentioned embodiment, can prevent in filter unit 700 is not installed to filtrator resettlement section 602 and lamp with the cover 5 complete situation of projector entry into service under the closing state.And, can detect the installation of filter unit 700 and the sealing that lamp is used cover 5 through a detector switch 107.
And; In this change example; Jut 120 is arranged on filtrator with near the opening 103, when filter unit 700 is contained in filtrator resettlement section 602, is configured in the place ahead of jut 120 to the guide surface 717a of the guide plate 717 of jut 120 sides extension from filter unit 700.In addition, butt bar 520 utilizes the deflection of the support 520b that forms the beam shape and makes abutting part 520a displacement.Therefore, can realize detecting the installation of filter unit 700 and the structure that lamp is used the sealing of cover 5 with simple structure through a detector switch 107.
< other >
The present invention is unqualified to be above-mentioned embodiment or change example, in the scope of the technological thought shown in claims, can suitably carry out various changes.
For example, in above-mentioned embodiment and above-mentioned change example, be that the situation of filter unit 700 has been carried out illustration to material installed of the present invention.Yet material installed of the present invention is not limited to filter unit 700, for example also can be lamp unit 14.In this case, for example with jut 111 near lamp with the guiding groove 105 of opening 102 in outstanding mode cover stopper 110 is set in the inside of upper shell 3.In addition, on lamp unit 14, pressing tablet is set.And, when lamp unit 14 is installed, push support 112 through pressing tablet in body shell 1, jut 111 is kept out of the way out from guiding groove 105.Like this, in the time of in lamp unit 14 is installed on body shell 1, lamp is fully closed with cover 5.
In addition, when light-modulating cell 15 forms the structure that comprises prism unit,, can form prism at the upper surface of upper shell 3 and use opening, and use opening with this prism of cover sealing through prism in order to change prism unit.In this case, be installed to the situation that rear prism uses cover to seal in the body shell 1, also can be suitable for the present invention in order to detect prism unit.In this case, prism unit becomes material installed of the present invention.
And in the above-described embodiment, the support 112 of cover stopper 110 forms the beam shape, and can displacement take place through self deflection.Yet, support 112 can be not yet self deflection, and through application of forces such as springs displacement takes place separately.In the butt bar 520 of above-mentioned change example too, support 520b can be not yet self deflection, and through application of forces such as springs displacement takes place separately.
And in the above-described embodiment, filtrator is formed on the upper surface of body shell 1 with opening 102 with opening 103 and lamp.Yet, be not limited to this, filtrator with opening 103 and lamp with opening 102 also can be formed on body shell 1 about side, surface, back or bottom surface.
In addition, embodiment of the present invention can suitably carry out various changes in the scope of the technological thought shown in claims.
Claims (6)
1. projection type image display apparatus is characterized in that possessing:
Opening, it is formed on the body shell;
Material installed, it is installed in the said body shell through said opening;
Cover, it covers said opening;
Detecting device, its sealing to said cover detects;
First abutting part and second abutting part, they are mutual butt when closing said cover, stops said cover to be closed to the position that is detected said sealing by said detecting device,
In said material installed is not installed on said body shell and when closing said cover, said first abutting part is positioned on the line with the said second abutting part butt, and can keep out of the way to the position of leaving said line,
Said projection type image display apparatus also possesses the portion of keeping out of the way, and in the time of in said material installed is installed to said body shell, this portion of keeping out of the way makes said first abutting part keep out of the way to the position of leaving said line.
2. projection type image display apparatus according to claim 1 is characterized in that,
Said first abutting part is arranged on the said body shell, and said second abutting part is arranged on the said cover, and,
Said first abutting part is by the support part supports that can make said first abutting part to the direction displacement of leaving said line,
The said portion of keeping out of the way comprises the press section, and said support is pushed in this press section when said material installed is installed to said body shell, and said first abutting part is kept out of the way to the position of leaving said line.
3. projection type image display apparatus according to claim 2 is characterized in that,
Said support forms the beam shape, and an end of said support is fixed on said body shell side,
When the other end of said support was pushed by said press section, said support was a fulcrum and deflection makes said first abutting part leave said line with a said end.
4. according to claim 2 or 3 described projection type image display apparatus, it is characterized in that,
Said cover can be along a side slip of the said body shell that is formed with said opening,
Be formed with the slot part that extends along the direction of said cover slip in said side,
Said second abutting part comprises guide portion, and this guide portion is inserted in the said slot part, and when said cover slided, this guide portion was directed in said slot part,
Said first abutting part to said slot part outstanding and with said guide portion butt.
5. projection type image display apparatus according to claim 1 is characterized in that,
Said first abutting part is arranged on the said cover, and said second abutting part is arranged on the said body shell, and,
Said first abutting part is by the support part supports that can make said first abutting part to the direction displacement of leaving said line,
The said portion of keeping out of the way comprises guide surface, and this guide surface makes the sealing of following said cover and keeps out of the way to the position of leaving said line towards said first abutting part of said second abutting part.
6. projection type image display apparatus according to claim 5 is characterized in that,
Said support forms the beam shape, and an end of said support is fixed on said cover side,
Said first abutting part is along said guide surface, and said thus support is a fulcrum and deflection makes said first abutting part leave said line with a said end.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010238717A JP2012093440A (en) | 2010-10-25 | 2010-10-25 | Projection type display device |
| JP2010-238717 | 2010-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102455574A true CN102455574A (en) | 2012-05-16 |
Family
ID=45972771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110322829XA Pending CN102455574A (en) | 2010-10-25 | 2011-10-21 | Projection display device |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20120099087A1 (en) |
| JP (1) | JP2012093440A (en) |
| CN (1) | CN102455574A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010204339A (en) * | 2009-03-03 | 2010-09-16 | Seiko Epson Corp | Projector |
| JP5822320B2 (en) * | 2012-06-06 | 2015-11-24 | Ｎｅｃディスプレイソリューションズ株式会社 | projector |
| JP6295528B2 (en) * | 2013-07-18 | 2018-03-20 | セイコーエプソン株式会社 | projector |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7070285B2 (en) * | 2003-08-05 | 2006-07-04 | Benq Corporation | Blanking device and projector having the same |
| US20070274029A1 (en) * | 2005-03-14 | 2007-11-29 | Jian-Ming Lee | Electronic device with slideable lens cover |
| CN101185324A (en) * | 2005-05-25 | 2008-05-21 | Lg电子株式会社 | Shutter opening and closing apparatus for beam projector |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW500968B (en) * | 2002-02-08 | 2002-09-01 | Benq Corp | Structure for replaceably assembling a lamp to an image output device |
| TWI360015B (en) * | 2007-08-24 | 2012-03-11 | Coretronic Corp | Projector and cover plate thereof |
| JP5429451B2 (en) * | 2009-03-26 | 2014-02-26 | 株式会社リコー | Lid opening / closing device, electronic device, and image forming apparatus |
| JP5380694B2 (en) * | 2009-09-29 | 2014-01-08 | 三洋電機株式会社 | Projection display |
-
2010
- 2010-10-25 JP JP2010238717A patent/JP2012093440A/en active Pending
-
2011
- 2011-10-21 CN CN201110322829XA patent/CN102455574A/en active Pending
- 2011-10-25 US US13/281,057 patent/US20120099087A1/en not_active Abandoned
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7070285B2 (en) * | 2003-08-05 | 2006-07-04 | Benq Corporation | Blanking device and projector having the same |
| US20070274029A1 (en) * | 2005-03-14 | 2007-11-29 | Jian-Ming Lee | Electronic device with slideable lens cover |
| CN101185324A (en) * | 2005-05-25 | 2008-05-21 | Lg电子株式会社 | Shutter opening and closing apparatus for beam projector |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012093440A (en) | 2012-05-17 |
| US20120099087A1 (en) | 2012-04-26 |
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Application publication date: 20120516 |